/* * ========== Copyright Header Begin ========================================== * * OpenSPARC T2 Processor File: tso_n2_ncrdwr3_user.s * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved * 4150 Network Circle, Santa Clara, California 95054, U.S.A. * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * For the avoidance of doubt, and except that if any non-GPL license * choice is available it will apply instead, Sun elects to use only * the General Public License version 2 (GPLv2) at this time for any * software where a choice of GPL license versions is made * available with the language indicating that GPLv2 or any later version * may be used, or where a choice of which version of the GPL is applied is * otherwise unspecified. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * * * ========== Copyright Header End ============================================ */ #define MAIN_PAGE_HV_ALSO #define PART0_NZ_RANOTPA_2 0 #define ENABLE_PCIE_LINK_TRAINING #include "hboot.s" .text .global main main: ta T_CHANGE_HPRIV nop wr %g0, 0x4, %fprs /* make sure fef is 1 */ ta T_CHANGE_NONHPRIV nop setx 0x00d01ee000, %g1, %g3 ! will translate to MEM32 address space setx user_data_start, %l0, %o0 ! user_data_start !===================== ! Now some NC writes and reads mixed with cacheable writes and reads !===================== mov %g0, %g4 set 0x1, %g2 set 0x10, %g5 stloop0: stx %g2, [%g3 + %g4] stx %g2, [%o0 + %g4] inc %g2 add 0x8, %g4, %g4 deccc %g5 bne stloop0 nop mov 0x78, %g4 set 0x10, %g2 set 0x10, %g5 ldloop0: ldx [%o0 + %g4], %g1 ldx [%g3 + %g4], %g1 subcc %g2, %g1, %g0 bne h_bad_end nop dec %g2 sub %g4, 0x8, %g4 deccc %g5 bne ldloop0 nop !================================ ldd [%g3], %f0 add %g3, 0x40, %g3 ldd [%g3], %f16 std %f0, [%g3] sub %g3, 0x40, %g3 std %f16, [%g3] membar 0x40 !================================ !================================ ldd [%g3], %f0 add %g3, 0x40, %g3 ldd [%g3], %f16 std %f0, [%g3] stda %f0, [%o0]ASI_BLK_PL add %g3, 0x8, %g3 std %f0, [%g3] stda %f0, [%o0]ASI_BLK_PL add %g3, 0x8, %g3 std %f0, [%g3] stda %f0, [%o0]ASI_BLK_P add %g3, 0x8, %g3 std %f0, [%g3] stda %f0, [%o0]ASI_BLK_P stda %f0, [%o0]ASI_BLK_P stda %f0, [%o0]ASI_BLK_PL add %g3, 0x8, %g3 std %f0, [%g3] add %g3, 0x8, %g3 std %f0, [%g3] add %g3, 0x8, %g3 std %f16, [%g3] !================================ set 0x10, %g5 mov %g3, %g4 mov %o0, %o1 loop6: ldx [%g4], %l0 inc %l0 inc %l1 add %g4, 0x8, %g4 add %o1, 0x8, %o1 stx %l0, [%g4] add %g4, 0x8, %g4 stx %l1, [%g4] stxa %l0, [%o1]ASI_BLK_INIT_ST_QUAD_LDD_P add %o1, 0x8, %o1 stxa %l1, [%o1]ASI_BLK_INIT_ST_QUAD_LDD_P deccc %g5 bne loop6 nop !================================ set 0x10, %g5 mov %g3, %g4 mov %o0, %o1 loop8: ldx [%g4], %l0 inc %l0 inc %l1 add %g4, 0x8, %g4 add %o1, 0x8, %o1 stx %l0, [%g4] add %g4, 0x8, %g4 stx %l1, [%g4] stxa %l0, [%o1]ASI_BLK_INIT_ST_QUAD_LDD_P_LITTLE add %o1, 0x8, %o1 stxa %l1, [%o1]ASI_BLK_INIT_ST_QUAD_LDD_P_LITTLE deccc %g5 bne loop8 nop !================================ set 0x10, %g5 mov %g3, %g4 mov %o0, %o1 loop11: ldx [%g4], %l0 inc %l0 inc %l1 add %g4, 0x8, %g4 add %o1, 0x8, %o1 stx %l0, [%g4] add %g4, 0x8, %g4 stx %l1, [%g4] stxa %l0, [%o1]ASI_BLK_INIT_ST_QUAD_LDD_P add %o1, 0x8, %o1 stxa %l1, [%o1]ASI_BLK_INIT_ST_QUAD_LDD_P deccc %g5 bne loop11 nop normal_end: ta T_GOOD_TRAP h_bad_end: ta T_BAD_TRAP /******************************************************************/ /* * Data section */ .data user_data_start: .word 0xD6B3479D .word 0xDB28926C .end SECTION .NCDATA DATA_VA=0x00d01ee000 attr_data { Name = .NCDATA, VA=0x00d01ee000, RA=0xc800000000, PA=0xc800000000, part_0_ctx_nonzero_tsb_config_2, TTE_G=0, TTE_Context=PCONTEXT, TTE_V=1, TTE_Size=0, TTE_SIZE_PTR=0, TTE_NFO=0, TTE_IE=0, TTE_Soft2=0, TTE_Diag=0, TTE_Soft=0, TTE_L=0, TTE_CP=0, TTE_CV=0, TTE_E=1, TTE_P=0, TTE_W=1 } .data .global ncdata_base ncdata_base: .skip 1000